Victor Mirelman, in his study of the greatest concentration of Latin American Jewry, examines the changing facade of the Argentinean Jewish community from the beginning of mass Jewish immigration in 1890 to its decline in 1930. During this period, Jews arrived from Russia, Poland, Romania, Syria, Turkey and Morocco Each group founded its own synagogues. mutual help organizations. hospitals. cultural associations. and newspapers of particular vitality was the Yiddish press and the Yiddish theatre…